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An ancient reservoir of volatiles in the Moon sampled by lunar meteorite Northwest Africa 10989

文献类型：期刊论文

作者Stephant, A.7; Anand, M.7,8; Ashcroft, H. O.7; Zhao, X.7; Hu, S.1; Korotev, R. L.5,6; Strekopytov, S.2,4; Greenwood, R. C.7; Humphreys-Williams, E.4; Liu, Y.3
刊名GEOCHIMICA ET COSMOCHIMICA ACTA
出版日期2019-12-01
卷号266页码:163-183
ISSN号0016-7037
关键词Moon Meteorite Volatiles
DOI10.1016/j.gca.2019.07.045
英文摘要Northwest Africa (NWA) 10989 is a recently found lunar meteorite we used to elucidate the history of volatiles (H and Cl) in the Moon through analysis of its phosphates. The petrology, bulk geochemistry and mineralogy of NWA 10989 are consistent with it being a lunar meteorite with intermediate-iron bulk composition, composed of 40% of mare basaltic material and similar to 60% non-mare material, but with no obvious KREEP-rich basaltic components. It is probable that the source region for this meteorite resides near a mare-highlands boundary, possibly on the farside of the Moon. Analyses of chlorine and hydrogen abundances and isotopic composition in apatite and merrillite grains from NWA 10989 indicate sampling of at least two distinct reservoirs of volatiles, one being similar to those for known mare basalts from the Apollo collections, while the other potentially represents a yet unrecognized reservoir. In situ Th-U-Pb dating of phosphates reveal two distinct age clusters with one ranging from 3.98 +/- 0.04 to 4.20 +/- 0.02 Ga, similar to the ages of cryptomare material, and the other ranging from 3.32 +/- 0.01 to 3.96 +/- 0.03 Ga, closer to the ages of mare basalts known from the Apollo collections. This lunar breccia features mixing of material, among which a basaltic D-poor volatile reservoir which doesn't appear to have been recorded by Apollo samples. (C) 2019 The Author(s). Published by Elsevier Ltd.
WOS关键词ALEXANDRA RANGE 94281 ; MARE BASALTS ; ISOTOPIC COMPOSITION ; REGOLITH BRECCIAS ; ROCKS EVIDENCE ; IN-SITU ; GEOCHEMISTRY ; HIGHLANDS ; OXYGEN ; ORIGIN
资助项目Science and Technology Facilities Council (STFC)[ST/I001964/1] ; Science and Technology Facilities Council (STFC)[ST/L000776/1] ; Science and Technology Facilities Council (STFC)[ST/P000657/1]
WOS研究方向Geochemistry & Geophysics
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000491872000010
资助机构Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC)
源URL[http://ir.iggcas.ac.cn/handle/132A11/95716]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Stephant, A.
作者单位1.Chinese Acad Sci, Key Lab Earth & Planetary Phys, Inst Geol & Geophys, Beijing, Peoples R China
2.LGC Ldt, Inorgan Anal, Natl Measurement Lab, Teddington TW11 0LY, Middx, England
3.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing, Peoples R China
4.Nat Hist Museum, Imaging & Anal Ctr, London, England
5.Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA
6.Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63130 USA
7.Open Univ, Sch Phys Sci, Milton Keynes, Bucks, England
8.Nat Hist Museum, Dept Earth Sci, London, England
推荐引用方式
GB/T 7714		 Stephant, A.,Anand, M.,Ashcroft, H. O.,et al. An ancient reservoir of volatiles in the Moon sampled by lunar meteorite Northwest Africa 10989[J]. GEOCHIMICA ET COSMOCHIMICA ACTA,2019,266:163-183.
APA Stephant, A..,Anand, M..,Ashcroft, H. O..,Zhao, X..,Hu, S..,...&Franchi, I. A..(2019).An ancient reservoir of volatiles in the Moon sampled by lunar meteorite Northwest Africa 10989.GEOCHIMICA ET COSMOCHIMICA ACTA,266,163-183.
MLA Stephant, A.,et al."An ancient reservoir of volatiles in the Moon sampled by lunar meteorite Northwest Africa 10989".GEOCHIMICA ET COSMOCHIMICA ACTA 266(2019):163-183.

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来源：地质与地球物理研究所

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